CN223223767U

CN223223767U - A lateral point gate injection molding device

Info

Publication number: CN223223767U
Application number: CN202422048861.9U
Authority: CN
Inventors: 郭青华
Original assignee: Shenzhen Yihuacheng Mould Co ltd
Current assignee: Shenzhen Yihuacheng Mould Co ltd
Priority date: 2024-08-23
Filing date: 2024-08-23
Publication date: 2025-08-15
Anticipated expiration: 2034-08-23

Abstract

The utility model discloses a lateral point gate injection molding device, which belongs to the field of injection molding technology. The lateral point gate injection molding device comprises an injection molding table, an inner cavity of the injection molding table is provided with a discharge port, an upper surface of the injection molding table is provided with an injection molding component, and a lower surface of the injection molding table is provided with a cooling component. The device feeds molten plastic into the interior of a sprue sleeve through an injection nozzle, and the molten plastic enters the inner cavities of a fixed mold and a movable mold through the sprue sleeve. At this time, a chiller is started to input cold water into the cooling cavity through an inlet pipe, so as to take away heat and accelerate the cooling of the molten plastic in the fixed mold and the movable mold, and a circulation is formed through an outlet pipe, so that the water carrying heat is re-transported to the chiller for cooling, thereby helping the plastic to solidify, reducing the waiting time, and improving the efficiency of the device.

Description

Side direction point runner injection molding device

Technical Field

The utility model relates to the technical field of injection molding, in particular to a lateral point gate injection molding device.

Background

The side gate injection molding device and the injection mold are special equipment for producing plastic products, and in the injection molding process, molten plastic needs to be injected into a mold cavity through a specific channel (gate) to form a required shape, and the side gate injection molding device and the injection mold are commonly used for producing products with high requirements on surface quality and complex geometric shapes.

The existing injection molding device sends molten plastic into a mold cavity through a nozzle to fill the molten plastic into a preset shape, at the moment, the residual molten plastic is prevented from continuously flowing into the mold cavity, the plastic in the mold is waited for cooling and solidifying, after the plastic is completely solidified, the mold is opened, and the product is taken out of the mold.

In the prior art, in the actual use process, because the temperature of the molten plastic is higher, when waiting for cooling, the time is required to be longer, so that the overall efficiency of the production line is reduced, and therefore, the lateral point gate injection molding device is proposed.

Disclosure of utility model

1. Technical problem to be solved

The utility model provides a side point gate injection molding device, which is characterized in that molten plastic is fed into a gate sleeve through an injection nozzle and enters a fixed die cavity and a movable die cavity through the gate sleeve, at the moment, a cold water machine is started to input cold water into a cooling cavity through a feed pipe, heat is taken away to accelerate cooling of the molten plastic in the fixed die and the movable die, circulation is formed through a discharge pipe, and the water carrying the heat is conveyed into the cold water machine again to be cooled, so that solidification of the plastic is facilitated, waiting time is shortened, and efficiency of the device is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The injection molding device comprises an injection molding table, a blanking port is formed in an inner cavity of the injection molding table, an injection molding assembly is arranged on the upper surface of the injection molding table, a cooling assembly is arranged on the lower surface of the injection molding table, the injection molding assembly comprises a fixed die fixedly connected to the upper surface of the injection molding table, a movable die is movably connected to the upper surface of the injection molding table, two sides of the movable die are symmetrically and fixedly connected with fixing plates, one side of each fixing plate is fixedly connected with an electric push rod, the other side of each fixing plate is fixedly connected with a special-shaped push rod, push rods are inserted into the inner cavity of the movable die, a sprue bush is fixedly connected to the inner cavity of one side of the fixed die, and the cooling assembly comprises a cold water machine fixedly connected to the lower surface of the injection molding table, and the inner cavities of the fixed die and the movable die are respectively provided with a cooling cavity.

Further, the lower surface of the injection molding table is fixedly connected with a plurality of supporting legs, and one side of the fixed die is abutted with one side of the movable die.

Furthermore, an injection nozzle is connected to one side of the sprue bush, and one end of the special-shaped push rod moves in the inner cavity of the fixed die.

Further, electric putter one end fixedly connected with curb plate, curb plate lower surface and injection molding bench upper surface fixed connection.

Furthermore, one end of the push rod is fixedly connected with a positioning plate, and the lower surface of the positioning plate is fixedly connected with the upper surface of the injection molding table.

Further, the water inlet end of the water chiller is communicated with two inlet pipes, the other ends of the two inlet pipes are respectively communicated with cooling cavities in the fixed die and the movable die, the water outlet end of the water chiller is communicated with two outlet pipes, the other ends of the two outlet pipes are respectively communicated with the cooling cavities in the fixed die and the movable die, and the outlet pipes and the inlet pipes are hoses.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) This scheme molten plastic sends into runner cover inside through the injection nozzle, gets into cover half and movable mould inner chamber through the runner cover, starts the cold water machine at this moment and passes through the pipe to the cooling intracavity input cold water, takes away the cooling of heat quickening cover half and movable mould inner molten plastic to form the circulation through the exit tube, will carry thermal water and carry the cooling in the cold water machine again, help plastics solidification reduces the time of waiting, improves the efficiency of device.

(2) According to the scheme, the electric push rod is started to drive the fixed plate and the movable die to move outwards, the movable die ejects a finished product adhered to the inside of the movable die through the push rod when moving, and meanwhile, the special-shaped push rod can be driven to move to eject the finished product adhered to the inside of the fixed die when moving, so that the final finished product can be ejected no matter adhered to the inside of the fixed die or the inside of the movable die, automatic stripping is realized, and the requirement of manual intervention is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view showing the whole structure of the bottom view of the present utility model;

FIG. 3 is a schematic diagram of the semi-sectional internal structure of the present utility model.

The reference numerals in the figures illustrate:

1. The device comprises an injection molding table, 101, supporting legs, 102, a feed opening, 2, an injection molding assembly, 201, a fixed mold, 202, a movable mold, 203, a fixed plate, 204, a side plate, 205, an electric push rod, 206, a positioning plate, 207, a push rod, 208, a special-shaped push rod, 209, a sprue bush, 210, an injection nozzle, 3, a cooling assembly, 301, a cold water machine, 302, an inlet pipe, 303, an outlet pipe, 304 and a cooling cavity.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and include, for example, "connected to," whether fixedly connected to, detachably connected to, or integrally connected to, mechanically connected to, electrically connected to, directly connected to, indirectly connected to, and in communication with each other via an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-3, in a first embodiment of the present utility model, a side gating injection molding device is provided, which includes an injection molding table 1, a blanking port 102 is provided in an inner cavity of the injection molding table 1, an injection molding assembly 2 is provided on an upper surface of the injection molding table 1, the injection molding assembly comprises a fixed mold 201 fixedly connected to an upper surface of the injection molding table 1, a movable mold 202 is movably connected to an upper surface of the injection molding table 1, two sides of the movable mold 202 are symmetrically and fixedly connected with a fixed plate 203, one side of the fixed plate 203 is fixedly connected with an electric push rod 205, the other side of the fixed plate 203 is fixedly connected with a special-shaped push rod 208, a push rod 207 is inserted in an inner cavity of the movable mold 202, and one side of the fixed mold 201 is fixedly connected with a gating sleeve 209.

Specifically, the lower surface of the injection molding table 1 is fixedly connected with a plurality of supporting legs 101, one side of the fixed mold 201 is abutted to one side of the movable mold 202, one side of the sprue bush 209 is grounded with an injection nozzle 210, one end of the special-shaped push rod 208 moves in the cavity of the fixed mold 201, one end of the electric push rod 205 is fixedly connected with a side plate 204, the lower surface of the side plate 204 is fixedly connected with the upper surface of the injection molding table 1, one end of the push rod 207 is fixedly connected with a positioning plate 206, and the lower surface of the positioning plate 206 is fixedly connected with the upper surface of the injection molding table 1.

Further, the injection molding table 1 is supported by the supporting legs 101, the injection nozzle 210 is communicated with the external molten plastic through a pipeline, the molten plastic is fed into the sprue bush 209 through the injection nozzle 210, the molten plastic enters the inner cavities of the fixed die 201 and the movable die 202 through the sprue bush 209, after cooling is completed, the electric push rod 205 is started to drive the fixed plate 203 and the movable die 202 to move outwards, the finished product adhered to the inside of the movable die 202 is ejected through the push rod 207 when the movable die 202 moves, and meanwhile, the special-shaped push rod 208 is driven to move to eject the finished product adhered to the inside of the fixed die 201 when the fixed plate 203 moves, so that the finished product can be ejected whether the finished product is adhered to the inside of the fixed die 201 or the movable die 202.

Example 2

Referring to fig. 1-3, in a second embodiment of the present utility model, based on the previous embodiment, a cooling assembly 3 is disposed on the lower surface of the injection molding table 1, and the cooling assembly includes a water chiller 301 fixedly connected to the lower surface of the injection molding table 1, and cooling cavities 304 are formed in the inner cavities of the water chiller 301, the fixed mold 201, and the movable mold 202.

Specifically, the water inlet end of the water chiller 301 is communicated with two water inlet pipes 302, the other ends of the two water inlet pipes 302 are respectively communicated with cooling cavities 304 in the fixed mold 201 and the movable mold 202, the water outlet end of the water chiller 301 is communicated with two outlet pipes 303, the other ends of the two outlet pipes 303 are respectively communicated with the cooling cavities 304 in the fixed mold 201 and the movable mold 202, and the outlet pipes 303 and the water inlet pipes 302 are hoses.

Further, the cold water machine 301 is started to input cold water into the cooling cavity 304 through the inlet pipe 302, heat is taken away to accelerate cooling of molten plastics in the fixed die 201 and the movable die 202, circulation is formed through the outlet pipe 303, the water carrying the heat is conveyed into the cold water machine again to be cooled, solidification of the plastics is facilitated, waiting time is shortened, efficiency of the device is improved, time of each injection molding circulation is shortened, and accordingly overall efficiency of a production line is improved.

In the use process of the device, an operator places an injection molding table 1 at a designated place for injection molding through a supporting leg 101, an injection nozzle 210 is communicated with external molten plastic through a pipeline, the molten plastic is fed into a sprue bush 209 through the injection nozzle 210, the molten plastic enters the inner cavities of a fixed die 201 and a movable die 202 through the sprue bush 209, at the moment, a cold water machine 301 is started to input cold water into a cooling cavity 304 through a feed pipe 302, heat is taken away to accelerate cooling of the molten plastic in the fixed die 201 and the movable die 202, circulation is formed through a discharge pipe 303, the water carrying the heat is conveyed into the cold water machine again to cool the cold water machine to help the plastic solidify, waiting time is shortened, efficiency of the device is improved, after cooling is finished, an electric push rod 205 is started to drive a fixed plate 203 and the movable die 202 to move outwards, at the moment, a push rod 208 is driven to move to eject a finished product adhered to the inner part of the movable die 202 when the movable die 202, and the fixed plate 203 is driven to eject the finished product adhered to the inner part of the fixed die 201 when the movable die 202 is moved, the finished product is ensured to be ejected whether the finished product is adhered to the inner part of the fixed die 201 or the inner part of the movable die 202, and automatic ejection of the finished product is realized, and automatic ejection is realized, and the finished product is automatically removed after the finished product is ejected through the ejection port 102 after the falling port.

The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The side point gate injection molding device comprises an injection molding table (1) and is characterized in that a blanking opening (102) is formed in an inner cavity of the injection molding table (1), an injection molding assembly (2) is arranged on the upper surface of the injection molding table (1), and a cooling assembly (3) is arranged on the lower surface of the injection molding table (1);

The injection molding assembly (2) comprises a fixed die (201) fixedly connected to the upper surface of an injection molding table (1), a movable die (202) is movably connected to the upper surface of the injection molding table (1), two sides of the movable die (202) are symmetrically and fixedly connected with a fixed plate (203), one side of the fixed plate (203) is fixedly connected with an electric push rod (205), the other side of the fixed plate (203) is fixedly connected with a special-shaped push rod (208), a push rod (207) is inserted into an inner cavity of the movable die (202), and a sprue bush (209) is fixedly connected to an inner cavity of one side of the fixed die (201);

The cooling assembly (3) comprises a water chiller (301) fixedly connected to the lower surface of the injection molding table (1), wherein the water chiller (301) is provided with cooling cavities (304) in the inner cavities of the fixed die (201) and the movable die (202).

2. The lateral point gate injection molding device according to claim 1, wherein a plurality of supporting legs (101) are fixedly connected to the lower surface of the injection molding table (1), and one side of the fixed mold (201) is abutted against one side of the movable mold (202).

3. The lateral sprue injection molding device according to claim 1, wherein one side of the sprue bush (209) is connected with an injection nozzle (210), and one end of the special-shaped push rod (208) moves in an inner cavity of the fixed mold (201).

4. The lateral point gate injection molding device according to claim 1, wherein one end of the electric push rod (205) is fixedly connected with a side plate (204), and the lower surface of the side plate (204) is fixedly connected with the upper surface of the injection molding table (1).

5. The lateral point gate injection molding device according to claim 1, wherein one end of the push rod (207) is fixedly connected with a positioning plate (206), and the lower surface of the positioning plate (206) is fixedly connected with the upper surface of the injection molding table (1).

6. The lateral point gate injection molding device according to claim 1, wherein the water inlet end of the water chiller (301) is communicated with two water inlet pipes (302), the other ends of the two water inlet pipes (302) are respectively communicated with the fixed mold (201) and the cooling cavity (304) in the movable mold (202), the water outlet end of the water chiller (301) is communicated with two outlet pipes (303), the other ends of the two outlet pipes (303) are respectively communicated with the fixed mold (201) and the cooling cavity (304) in the movable mold (202), and the outlet pipes (303) and the water inlet pipes (302) are hoses.